When someone was in any market, buying heavily, there was always a solid reason.

I bought heavily in certain European currencies a few years ago.

Now, foreign investors appear to be buying heavily, although some remain skeptical.

It is they who bought heavily to halt the fall and get prices rising again.

They bought heavily on both sides of the market, not really caring if it goes up or down.

Later a second investor was said to be buying heavily.

Customers who buy heavily now may not buy more for some time.

They bought heavily - sending their target stocks even higher.

When institutional investors saw that the fund was a hit, they bought heavily as well.

Sufficiently rich to be able to buy heavily into the Exchange during the last decade of the nineteenth century.